Cluster display screen or portion thereof with a transitional graphical user interface



FIG. 1 is a front view of a cluster display screen or portion thereof with a transitional graphical user interface showing our new design;

FIG. 2 is a front view of the second image thereof;

FIG. 3 is an enlarged view of FIG. 1, with the claimed subject matter shown separately for clarity of illustration; and,

FIG. 4 is an enlarged view of FIG. 2, with the claimed subject matter shown separately for clarity of illustration.

The broken lines illustrate a cluster display screen or portion thereof that form no part of the claimed design. The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-2. The process or period in which one image transitions to another image forms no part of the claimed design. 

CLAIM The ornamental design for a cluster display screen or portion thereof with a transitional graphical user interface, as shown and described. 